Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Tomoo Nakazawa"'
Autor:
Mitsutaka Kudoh, Tsutomu Miyashi, Takehiko Satoh, Susumu Sudoh, Hiroshi Ikeda, Shigeyoshi Katagiri, Tomoo Nakazawa
Publikováno v:
Bulletin of the Chemical Society of Japan. 82:70-75
From both the experimental and computational perspectives, we examined the annulation effects of benzene rings on the ground-state dipole moment for two series of conjugated ketones. The first is a...
Autor:
Mamoru Jinguji, Yoshikazu Sugihara, Chizuko Kabuto, Mariko Ishihara, Susumu Sudoh, Tomoo Nakazawa, Mitsutaka Kudoh, Shigeyoshi Katagiri, Ryuta Miyatake, Hiroyuki Yamaguchi, Miwako Higashi
Publikováno v:
Bulletin of the Chemical Society of Japan. 79:1240-1247
The precise X-ray structures of furo[3,4-d]tropone (2), 2,4-dimethyl-8H-3-oxaheptalen-8-one (5), and 4,5-benzotropone (6) were determined. Their tropone rings show definite bond alternation and nea...
Autor:
Koki Shigenobu, Haruko Masumiya, Yoshio Tanaka, Junya Kase, Masaki Saitoh, Kazuo Noguchi, Keitaro Hashimoto, Tomoo Nakazawa, Mariko Saitoh, Hikaru Tanaka
Publikováno v:
Pharmacology. 64:36-42
The electrophysiological and mechanical effects of HNS-32, a novel azulene-1-carboxamidine derivative with antiarrhythmic activity, were studied in isolated guinea-pig myocardial preparations. HNS-32 (10–6–10–4 mol/l) concentration-dependently
Publikováno v:
Tetrahedron Letters. 41:8255-8258
2-(1′,3′-Di- tert -butyl-pentafulven-6′-yl)-tropone ( 7 ) was synthesized by reaction of 6-lithio-1,3-di- tert -butyl-pentafulvene ( 5 ) with 2-chlorotropone ( 6 ). At elevated temperatures 7 cyclizes to a mixture of the tautomeric azulene deri
Publikováno v:
Molecular and Cellular Biochemistry. 205:133-140
HNS-32 (N1,N1-dimethyl-N2-(2-pyridylmethyl)-5-isopropyl-3, 8-dimethylazulene-1-carboxamidine: CAS 186086-10-2) is a newly synthesized compound, and possesses antiarrhythmic properties with vasodilator action in dog hearts. The aim of this study was t
Autor:
Mamoru Jinguji, Ryuta Miyatake, Mariko Ishihara, Tomoo Nakazawa, Yoshikazu Sugihara, Ichiro Murata
Publikováno v:
Tetrahedron Letters. 35:8421-8424
4,5-Dehydrotropone reacted with 4-phenyl-, 5-methyl-4-phenyl-, and 2,5-dimethyl-4-phenyloxazol to give, involving facile loss of benzonitrile from the corresponding Diels-Alder adducts, furo-[3,4-d]tropone and its 1-methyl and 1,3-dimethyl derivative
Autor:
Tomoo Nakazawa, Ichiro Murata, R. Miyatake, Yoshikazu Sugihara, Akira Imamura, M. Jinguji, Takehiko Yagi
Publikováno v:
Tetrahedron. 50:6495-6504
Protonolysis, complex-formation with amines, ab initio molecular orbital calculations with 3-21G basis set, redox potentials, and spectroscopic features of 1-phenylthieno[3,4-d]borepin (1) and 1-phenylthieno[2,3-d]borepin (2) were examined. The compo
Publikováno v:
Tetrahedron Letters. 34:3563-3566
Substituted di-l-azulenyl ketones composed of 3,8-dimethtyl-5-isopropyl-l-azulenyl and/or 4,6,8-trimethyl-l-azulenyl group were refluxed in ethanol in the presence of p -toluenesulfonic acid to give substituted azulenes and ethyl azulene-l-carboxylat
Autor:
Mariko Ishihara, M. Jinguji, Yoshikazu Sugihara, Ichiro Murata, Masakazu Yamaguchi, Tomoo Nakazawa
Publikováno v:
ChemInform. 24
Autor:
Tomoo Nakazawa, Ichiro Murata, Takehiko Yagi, Yoshikazu Sugihara, M. Jinguji, Akira Imamura, R. Miyatake
Publikováno v:
ChemInform. 25
Protonolysis, complex-formation with amines, ab initio molecular orbital calculations with 3-21G basis set, redox potentials, and spectroscopic features of 1-phenylthieno[3,4-d]borepin (1) and 1-phenylthieno[2,3-d]borepin (2) were examined. The compo